DR. CYNTHIA M NEHRKORN M.D.
NPI 1821134792
Internal Medicine in Naples, FL

Active since January 29, 2007PECOS Enrolled
1095 WHIPPOORWILL LN, NAPLES, FL 34105(239) 261-4404(239) 280-5998 Get Directions Write a Review

NPPES record last updated: March 10, 2023. Verified against the NPPES registry weekly; last sync: October 25, 2026.

Record update history: Mar 10, 2023, Jul 5, 2018 (2 updates tracked since 2018).

About Dr. Cynthia M Nehrkorn M.d. NPPES

Official registry information on file with the National Plan and Provider Enumeration System.

DR. CYNTHIA M NEHRKORN M.D. (NPI 1821134792) is an individual internal medicine provider in Naples, Florida, licensed in Florida (ME74143) and active in the NPI registry since January 2007. She is enrolled in Medicare PECOS.

NPPES Registry Identity

NPI1821134792
Entity TypeIndividualFemale
Primary Taxonomy207R00000X
Provider Legal NameDR. CYNTHIA M NEHRKORNCredential: M.D.
Location Address1095 WHIPPOORWILL LNNaples, FL 34105-3847
Mailing Address1223 Whippoorwill LnNaples, FL 34105-5028 · (239) 261-4404 · Fax (239) 280-5998
Fax(239) 280-5998
Sole ProprietorNo
Enumeration DateJanuary 29, 2007
Last NPPES UpdateMarch 10, 20232 updates tracked since enumeration
NPPES CertifiedMarch 10, 2023
✔ NPI 1821134792 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses 2

★ Primary SpecialtyInternal MedicineAllopathic & Osteopathic Physicians
Taxonomy Code207R00000X
License✔ Licensed in FL · ME74143
Definition
A physician who provides long-term, comprehensive care in the office and the hospital, managing both common and complex illness of adolescents, adults and the elderly. Internists are trained in the diagnosis and treatment of cancer, infections and diseases affecting the heart, blood, kidneys, joints and digestive, respiratory and vascular systems. They are also trained in the essentials of primary care internal medicine, which incorporates an understanding of disease prevention, wellness, substance abuse, mental health and effective treatment of common problems of the eyes, ears, skin, nervous system and reproductive organs.
Also ListedInternal Medicine · Hospice and Palliative MedicineTaxonomy 207RH0002X · License ME74143 (FL)
1095 WHIPPOORWILL LN, Naples, FL 34105

Accepted Insurance

Medicare Participation & PECOS CMS

Medicare enrollment, assignment, billing reassignment, and ordering and referring status from CMS.

Medicare Enrollment Status

✔

Enrolled in Medicare (PECOS)

Dr. Cynthia M Nehrkorn M.d. is registered in the CMS Provider Enrollment, Chain and Ownership System (PECOS).

Eligible to Order & Refer✔ Part B Labs & Imaging✔ Durable Medical Equipment✔ Home Health Agency✔ Power Mobility DevicesPer the CMS Ordering and Referring file. Eligibility means Medicare pays claims that this provider orders or refers for these categories.

Medicare Billing Reassignment

Medicare enrollment records show Cynthia Nehrkorn reassigns Medicare billing to 1 organization. The organization bills Medicare for the services this provider delivers there.

Hospice and Palliative Medicine
1205 WHIPPOORWILL LN
Naples, FL 34105
  • Reassigned Medicare billing, Florida enrollment
  • 14 clinicians in this Medicare group

Source: CMS Revalidation Reassignment List, October 2026 release. Reassignment records can lag staffing changes; confirm a current affiliation with the organization.

Physician Visit Costs CMS claims · ZIP area

Typical Medicare office-visit costs in the 34105 ZIP code area, from fee-for-service claims. These are area statistics, not this provider’s prices; actual charges vary by service and coverage.

New Patient
$135.56 typical visit price
range $58.56 – $179.05
Typical copayment $33.89 (range $14.64 – $44.76)
Most-billed visit code 99204
Established Patient
$103.21 typical visit price
range $18.44 – $144.68
Typical copayment $25.80 (range $4.61 – $36.17)
Most-billed visit code 99214
Amounts reflect what Medicare beneficiaries in this ZIP area are typically charged for office visits. Patients with other coverage should check their individual plans.

Other Providers at the Same Location NPPES 16

Providers registered at the same practice address, or within the immediate area, according to the NPPES registry.

Hospice Care, Community Based
1095 WHIPPOORWILL LN
NAPLES, FL 34105
Nurse Practitioner (Family)
1095 WHIPPOORWILL LN
NAPLES, FL 34105
Registered Nurse
1095 WHIPPOORWILL LN
NAPLES, FL 34105
Social Worker (Clinical)
1095 WHIPPOORWILL LN
NAPLES, FL 34105
Internal Medicine (Hospice and Palliative Medicine)
1095 WHIPPOORWILL LN
NAPLES, FL 34105
Family Medicine (Hospice and Palliative Medicine)
1095 WHIPPOORWILL LN
NAPLES, FL 34105
Nurse Practitioner (Family)
1095 WHIPPOORWILL LN
NAPLES, FL 34105
Social Worker (Clinical)
1095 WHIPPOORWILL LN
NAPLES, FL 34105

Frequently Asked Questions NPPES & CMS

Common questions about this NPI record, answered from the official NPPES registry and CMS datasets shown on this page.

What is Cynthia Nehrkorn's NPI number?

The NPI number for Cynthia Nehrkorn is 1821134792. It was assigned to this individual provider in the NPPES registry on January 29, 2007.

Where is Cynthia Nehrkorn located?

Cynthia Nehrkorn practices at 1095 Whippoorwill Ln, Naples, FL 34105. The listed phone number is (239) 261-4404.

What is Cynthia Nehrkorn's specialty?

The primary specialty registered for this NPI is Internal Medicine with taxonomy code 207R00000X.

Is Cynthia Nehrkorn enrolled in Medicare?

Yes. Cynthia Nehrkorn is registered in the Medicare PECOS enrollment system.

Which organization bills Medicare for Cynthia Nehrkorn's services?

According to the CMS Revalidation Reassignment List (October 2026 release), Cynthia Nehrkorn reassigns Medicare benefits to Avow Care Services Incorporated (Naples, FL). The reassignment is filed with Medicare on form CMS-855R, signed by both the clinician and the organization, and lets the organization bill Medicare and receive payment for Cynthia Nehrkorn's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.

What insurance does Cynthia Nehrkorn accept?

Health plans from Cigna HealthCare of Florida, Inc. and Cigna Healthcare list Cynthia Nehrkorn as in-network in at least one marketplace plan. Coverage varies by plan and year; verify with the insurer or the provider before a visit.

When was this NPI record last updated?

The NPPES record for Cynthia Nehrkorn was last updated on March 10, 2023. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 3 years ago. If this record has changed at CMS more recently, you can request an on-demand re-check against the live CMS registry, directly from this page.